Wnt and PI3K/Akt/mTOR Survival Pathways as Therapeutic Targets in Glioblastoma

Int J Mol Sci. 2022 Jan 25;23(3):1353. doi: 10.3390/ijms23031353.

Abstract

Glioblastoma (GBM) is a devastating type of brain tumor, and current therapeutic treatments, including surgery, chemotherapy, and radiation, are palliative at best. The design of effective and targeted chemotherapeutic strategies for the treatment of GBM require a thorough analysis of specific signaling pathways to identify those serving as drivers of GBM progression and invasion. The Wnt/β-catenin and PI3K/Akt/mTOR (PAM) signaling pathways are key regulators of important biological functions that include cell proliferation, epithelial-mesenchymal transition (EMT), metabolism, and angiogenesis. Targeting specific regulatory components of the Wnt/β-catenin and PAM pathways has the potential to disrupt critical brain tumor cell functions to achieve critical advancements in alternative GBM treatment strategies to enhance the survival rate of GBM patients. In this review, we emphasize the importance of the Wnt/β-catenin and PAM pathways for GBM invasion into brain tissue and explore their potential as therapeutic targets.

Keywords: GBM survival; PI3K/Akt/mTOR; Wnt/β-catenin; autophagy; glioblastoma.

Publication types

  • Review

MeSH terms

  • Apoptosis / genetics
  • Brain Neoplasms / pathology
  • Cell Line, Tumor
  • Cell Movement / genetics
  • Cell Proliferation / genetics
  • Epithelial-Mesenchymal Transition / physiology
  • Gene Expression / genetics
  • Gene Expression Regulation, Neoplastic / genetics
  • Glioblastoma / metabolism*
  • Glioblastoma / physiopathology
  • Humans
  • Phosphatidylinositol 3-Kinase / metabolism
  • Phosphatidylinositol 3-Kinases / metabolism
  • Proto-Oncogene Proteins c-akt / metabolism
  • Signal Transduction / physiology*
  • TOR Serine-Threonine Kinases / metabolism
  • Wnt Signaling Pathway / physiology
  • beta Catenin / metabolism

Substances

  • CTNNB1 protein, human
  • beta Catenin
  • MTOR protein, human
  • Phosphatidylinositol 3-Kinase
  • Proto-Oncogene Proteins c-akt
  • TOR Serine-Threonine Kinases